# Invoice Generator vs WorkZen

The clearest difference is in-app purchases: WorkZen at none against Invoice Generator's 2. WorkZen also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Invoice Generator sells 2 in-app purchases, starting at $9.99 per 7 days. WorkZen asks for nothing beyond the download.

Invoice Generator ships an update every 10 days, WorkZen every 2 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Invoice Generator | WorkZen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/invoice-generator-snapbill/id6753898367/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 67 MB | 81 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [rawand saeed](https://appshunter.io/developer/1674023301) | [WorkZen Inc.](https://appshunter.io/developer/1846871181) |

## What reviewers say

### Invoice Generator

[App page](https://appshunter.io/ios/app/invoice-generator-snapbill/id6753898367)

Create professional invoices and estimates quickly and easily. This app helps freelancers and small businesses get paid faster by offering customizable templates, instant tracking, and smart notifications for client activity.

**Highlights:** Create invoices and estimates instantly, Use ready-made professional templates, Export as PDF or share via email, Track client payment activity, Accept online or offline payments, Monitor revenue and payment history

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $9.99 | per 7 days |
| Yearly Premium | $79.99 | per year |


### WorkZen

[App page](https://appshunter.io/ios/app/workzen/id6754170626)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Invoice Generator free?

Invoice Generator is free to download, with in-app purchases available.

### Is WorkZen free?

WorkZen is free to download, with no in-app purchases.

### Do Invoice Generator or WorkZen have ads?

Invoice Generator shows ads; WorkZen does not.

### Which is updated more often, Invoice Generator or WorkZen?

Invoice Generator ships an update every 10 days, and WorkZen every 2 weeks. Most recently, Invoice Generator was updated on October 7, 2026 and WorkZen on October 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*